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Personal Training Blog

30/5/2020 0 Comments

Why focusing on calories is important if you want to lose weight

Importance of calories for weight loss
In order to lose weight, three key things to focus on are calories, exercise, and lifestyle. In this blog we are going to put the spotlight on calories.
 
In order to change your weight, it is the balance between how many calories you take in versus how many calories you use up (calories out).
 
Weight Loss = Calorie deficit = Calories out (energy out) is higher than calories in (energy in)
Weight gain = Calorie surplus = Calories in (energy in) is greater than calories out (energy out)
Calorie balance
Calorie input:
Food can be broken into three macronutrients, namely protein, fats and carbohydrates. In order to have a balanced diet, you need all three nutrients in your plan.
 
Protein and carbohydrates contain 4 Kcals per gram, whereas fat contains 9Kcals per gram.
​ Nutrient type
Food example
Frequency
Main benefit
​Protein
​Chicken, Fish, Red meat, Eggs
​With every meal
​Satiety, body composition
Fats
​Oils, nuts, Seeds, Dairy
​​With every meal
​Muscle mass, reduces heart disease
​Carbs: Fibre rich
Fruit & vegetables
​With every meal
​Satiety, body composition
Carbs: Starchy 
​Rice, potatoes, pasta
​Once per day
​Carbs: Refined/ processed
​Sweets, desserts
​Rarely, only as special treat
​Tastes nice but causes weight and fat gain
Calorie output:
Your calorie output (usage) can be broken into a few different groups.
Calorie output (usage)
​What it means
​Examples
BMR
Basal metabolic rate
Number of calories burned doing nothing i.e.
amount of calories you will need just for your body to function
​Breathing, sleeping
NEAT
Non-exercise activity thermogenesis
​Amount of calories burned outside of standard exercise
Standing, walking, climbing stairs
TEF
Thermic effect of food
​Amount of energy expenditure due to processing food for use and storage
​Eating throughout the day
EAT
Exercise activity thermogenesis
​Calories burned through exercise
​Running, soccer, golf, gym
TDEE
total daily energy expenditure
​This is the amount of calories your body needs to operate optimally after you have taken in all your daily activities for the day such as training, lifestyle, job etc.
Combination of the examples above
To lose weight:
If for example your total daily energy expenditure (TDEE) is 3000 Kcals per day and you weigh 100 Kg. That means you need 3000 Kcals to maintain your current weight. If you want to lose 10Kg (i.e. 10%) weight, then you need to reduce your calorie count by 10% = 300 Kcals, and your new TDEE goal is 2700 Kcal. You need to achieve that calorie deficit through exercise and appropriate nutrition.
 
Total daily energy expenditure (TDEE) calculator:
Use the TDEE calculator below to estimate your TDEE (Total Daily Energy Expenditure) and from it your optimal daily calorie intake you need to keep your weight stable, to gain or to lose weight.
Total Daily Energy Expenditure
Total Daily Energy Expenditure by
Tips to target better calorie loss
Tips to hit the target on calorie management:
1. Do a food diary
Take stock of what you currently eat and how many calories are involved.
Do a food diary for 10-14 days. Use this as the bases and foundation. You will see you are doing somethings very well, but you may also see some area’s for improvement.
This can be a manual diary or there are also many online or apps available. A very popular one is “MyfitnessPal”.
2. Focus on your protein intake.
There is a separate blog all about proteins. This is a vital macronutrient and about 30-40% of your daily calorie intake should be proteins
3. Include fruit or vegetables at every meal.
Try and have as much fruit and vegetables as you can. Most people don’t eat enough of them.
4. Make sure you drink loads of water!
​Water is a vital ingredient. Drink at least 2 litres of water every day. Additional water should be drank during and after exercising. Review previous blog on the importance of water here.
5. Calorie deficit
If you want to lose weight, keep thinking of calorie deficit i.e. Calories out is greater than calories in. Good nutrition and good exercise routine will help you achieve this.
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